8049321 has 16 divisors (see below), whose sum is σ = 13628800. Its totient is φ = 4599504.

The previous prime is 8049317. The next prime is 8049373. The reversal of 8049321 is 1239408.

It is not a de Polignac number, because 8049321 - 2² = 8049317 is a prime.

It is a super-2 number, since 2×8049321² = 129583137122082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21106 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (851800).

Almost surely, 2^8049321 is an apocalyptic number.

It is an amenable number.

8049321 is a deficient number, since it is larger than the sum of its proper divisors (5579479).

8049321 is a wasteful number, since it uses less digits than its factorization.

8049321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42605 (or 42599 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8049321 is about 2837.1325312717. The cubic root of 8049321 is about 200.4101665752.

The spelling of 8049321 in words is "eight million, forty-nine thousand, three hundred twenty-one".